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Light-powered nano-bio hybrid organisms consume CO2, create plastics and fuels

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By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.

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Study suggests current levels of methane leakage would result in numerous decades of more rapid climate change from a shift to natural gas vehicles

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A) CNG light-duty cars vs. gasoline cars; (B) CNG heavy-duty vehicles vs. diesel vehicles; and (C) combined-cycle natural gas plants vs. supercritical coal plants using low-CH 4 coal. Technology warming potential (TWP) for three sets of natural gas fuel-switching scenarios. (A) This would eventually be offset by a modest benefit.

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Ford researchers: global light-duty CO2 regulatory targets broadly consistent with 450 ppm stabilization

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The researchers used a four-step process in their study: Determining the relative change in global, all-sector CO 2 emissions required for CO 2 stabilization at 450 ppm. They converted from an absolute amount to scale relative to 2000. Climate Change Emissions Fuel Efficiency Policy' —Winkler et al.

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Effect of cloud-scattered sunlight on earths energy balance depends on wavelength of light

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Clouds are one of the least understood aspects of climate change. They can block the sun, but light can also bounce off one cloud into another cloud’s shadow and increase the solar energy hitting earth. Fair-weather clouds are big puffy white objects that bounce a lot of light around. —Evgueni Kassianov.

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NREL releases comprehensive vision for deep decarbonization of transportation

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It is a strategy rooted in cross-cutting research and engineering to enable industry stakeholders, communities, government agencies, and early adopters to meet their climate goals. In NREL’s bioenergy program, for example, we have chemists studying the fundamental chemistry of converting biomass and waste materials into fuel.

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New real-time measurements suggest that black carbon emissions from light-duty gasoline vehicles are significantly underestimated

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Other evidence also suggests that BC deposition in the Arctic is partly responsible for arctic climate change, the authors note. In contrast, published BC emission factors for light-duty gasoline vehicles (LDGV), derived from near roadway/tunnel sites or chassis-dynamometer studies, indicate LDGV to be relatively minor sources of BC.

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Study Finds Availability of Low-CO2 Electricity and Hydrogen May Paradoxically Delay Large-Scale Transition to Electric and/or Hydrogen Vehicle Fleet

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Left, global light-duty fleet in the electric-favoring case; right, the hydrogen-favoring case. The cost-effectiveness of measures to address climate change is enhanced through a multisector perspective. Tags: Climate Change Electric (Battery) Emissions Hybrids Hydrogen Policy Power Generation. Click to enlarge.

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